101 lines
3.1 KiB
PHP
101 lines
3.1 KiB
PHP
<?php
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/* $Id$ */
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// vim: expandtab sw=4 ts=4 sts=4:
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/**
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* Library for extracting information about the available storage engines
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*/
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$GLOBALS['mysql_storage_engines'] = array();
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if (PMA_MYSQL_INT_VERSION >= 40102) {
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/**
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* For MySQL >= 4.1.2, the job is easy...
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*/
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$res = PMA_DBI_query('SHOW STORAGE ENGINES');
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while ($row = PMA_DBI_fetch_assoc($res)) {
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$GLOBALS['mysql_storage_engines'][strtolower($row['Engine'])] = $row;
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}
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PMA_DBI_free_result($res);
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unset($res, $row);
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} else {
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/**
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* Emulating SHOW STORAGE ENGINES...
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*/
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$GLOBALS['mysql_storage_engines'] = array(
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'myisam' => array(
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'Engine' => 'MyISAM',
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'Support' => 'DEFAULT'
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),
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'merge' => array(
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'Engine' => 'MERGE',
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'Support' => 'YES'
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),
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'heap' => array(
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'Engine' => 'HEAP',
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'Support' => 'YES'
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),
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'memory' => array(
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'Engine' => 'MEMORY',
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'Support' => 'YES'
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)
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);
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$known_engines = array(
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'archive' => 'ARCHIVE',
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'bdb' => 'BDB',
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'csv' => 'CSV',
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'innodb' => 'InnoDB',
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'isam' => 'ISAM',
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'gemini' => 'Gemini'
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);
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$res = PMA_DBI_query('SHOW VARIABLES LIKE \'have\\_%\';');
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while ($row = PMA_DBI_fetch_row($res)) {
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$current = substr($row[0], 5);
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if (!empty($known_engines[$current])) {
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$GLOBALS['mysql_storage_engines'][$current] = array(
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'Engine' => $known_engines[$current],
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'Support' => $row[1]
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);
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}
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}
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PMA_DBI_free_result($res);
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unset($known_engines, $res, $row);
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}
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/**
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* Function for generating the storage engine selection
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*
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* @param string The name of the select form element
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* @param string The ID of the form field
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* @param boolean Should unavailable storage engines be offered?
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* @param string The selected engine
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* @param int The indentation level
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*
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* @global array The storage engines
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*
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* @return string
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*
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* @author rabus
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*/
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function PMA_generateEnginesDropdown($name = 'engine', $id = NULL, $offerUnavailableEngines = FALSE, $selected = NULL, $indent = 0) {
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global $mysql_storage_engines;
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$selected = strtolower($selected);
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$spaces = '';
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for ($i = 0; $i < $indent; $i++) $spaces .= ' ';
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$output = $spaces . '<select name="' . $name . '"' . (empty($id) ? '' : ' id="' . $id . '"') . '>' . "\n";
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foreach ($mysql_storage_engines as $key => $details) {
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if (!$offerUnavailableEngines && ($details['Support'] == 'NO' || $details['Support'] == 'DISABLED')) {
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continue;
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}
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$output .= $spaces . ' <option value="' . htmlspecialchars($key). '"'
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. (empty($details['Comment']) ? '' : ' title="' . htmlspecialchars($details['Comment']) . '"')
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. ($key == $selected || (empty($selected) && $details['Support'] == 'DEFAULT') ? ' selected="selected"' : '') . '>' . "\n"
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. $spaces . ' ' . htmlspecialchars($details['Engine']) . "\n"
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. $spaces . ' </option>' . "\n";
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}
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$output .= $spaces . '</select>' . "\n";
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return $output;
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}
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?>
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